“可燃冰”是水与天然气相互作用形成的晶体物质，经研究测定：每立方米“可燃冰”释放200 m3的甲烷气体，下列有关“可燃冰”的说法不正确的是( )
| A．“可燃冰”将成为新能源 | B．“可燃冰”使用方便，清洁卫生 |
| C．“可燃冰”实质是水变成的固态油 | D．在海底和冻土层可能存在“可燃冰” |
相关试题
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
I can’t leave. She told me that I ______ stay here until she comes back.
| A．can | B．must | C．will | D．may |
—— Do you mind my opening the window? It’s a bit hot in here.
—— ______ , as a matter of fact
| A．Go ahead | B．Yes, my pleasure |
C．Yes, I do | D．Come on |
It’s high time you had your hair cut ; it’s getting _______ . 
| A．too much long | B．much too long |
C．long too much | D．too long much |
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